The CVV is a vital three- or four-digit code on credit cards that protects transactions from unauthorized use. It enhances security during online payments and should be safeguarded through various measures like using antivirus software and avoiding public Wi-Fi.

​The CVV is a vital three- or four-digit code on credit cards that protects transactions from unauthorized use. It enhances security during online payments and should be safeguarded through various measures like using antivirus software and avoiding public Wi-Fi.